RE: Time history analysis of an elevated water tank
Thanks...In case of intze type of tank supporting on shaft type or frame type of staging how can we do this.......
View ArticleTime history analysis of an elevated water tank
Hey!For a frame structure, the self weight and floor loads (acting along gravity/global Y) which are defined in the dead and live load cases are defined again in the global directions(positive X, Y and...
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RE: Storey Drift Calculation in Response Spectrum Analysis for STAAD Pro
Please refer to the following section of IS:1893 Part I-2002:You can see that the standard is suggesting a partial load factor 1.0 for the load combination to be used for the storey drift checking. You...
View ArticleAnalysis and design of large mat foundations supported on soil using FEM...
Large mat foundations are usually modeled using plate elements and the boundary conditions at soil – foundation/structure interface is idealized using winkler springs assigned with sub-grade modulus of...
View ArticleRE: Problem in Response Spectrum Analysis by using IS 1893:1984
Please Help me out......
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RE: Problem in Response Spectrum Analysis by using IS 1893:1984
You are feeding the Response Spectrum data in the Response Spectrum load case. The data that you have provided is a normalized data- normalized by “g”. You need to provide the value of g- 9.81 m/Sec^2...
View ArticleProblem in Response Spectrum Analysis by using IS 1893:1984
When I performing RSA by using IS 1893:1984 it is not showing proper result and one note also comes.I try to figure out the problem.i figure out one prob that for 1st mode staad calculate spectural...
View ArticleRE: Column Reactions from Pattern Loading in Ram Concept
Yes, the response above still applies to v5.2.
View ArticleColumn Reactions from Pattern Loading in Ram Concept
Hello, I am currently working on a Ram Concept model and I was wondering how to go about exporting the column reactions from pattern loading, in particular the unbalanced moments. In the manual it says...
View ArticleRE: RAM Wind Loads
Actually we ignore the internal pressure altogether, because we assume the structure is a closed box and the internal pressures will always cancel each other out when it comes to the total lateral...
View ArticleRAM Wind Loads
In RAM, is there a way that you can change your GCpi (Internal Pressure Coefficient) in the automated wind loads in RAM Frame? By default it is using +/- 0.18 for an enclosed building. Is there a way...
View ArticleWIND
In wind analysis we have to provide building natural frequency and building damping ratio kindly explain how we can calculate this.
View ArticleRE: Storey Drift Calculation in Response Spectrum Analysis for STAAD Pro
The CommandsCHECK STOREY DRIFT 5CHECK STOREY DRIFT 3 were very useful for checking "soft storey " for the Models Structure1a & Demo_12 respectively.But could you explain what are the significance...
View ArticleSTAAD Composite Beam Design
I am currently trying to use STAAD to model a building where my floors primarily consist of concrete on metal deck over steel beams. I have some real irregular framing due to architectural features, so...
View ArticleRE: Analysis and design of large mat foundations supported on soil using FEM...
That's a good question and one that also applies to Ram Concept or Ram Foundation. We usually recommend an analysis of the factored load combinations to yield the strength level concrete demands. It...
View ArticleRE: Problem with DFF command not check in steel design with STAAD Pro SS6...
The following wiki should be a one stop shop for all verification documents related to the AISC 360 implementation in...
View ArticleRE: Nonlinear Material in STAAD
For large deformations, you should use the Nonlinear Analysis option available in STAAD.Pro ( you will need the Advanced Analysis engine license ). Details on this type of analysis is available under...
View ArticleNonlinear Material in STAAD
I am analyzing a slender structure with non-linear section properties. I have already determined the moment-stiffness relationship. Due to large deflections, the structure has geometric non-linearity...
View ArticleRE: Interaction equation for WT members
Effectively, the relationship: 0.1 <= (Iyc/Iy) <= 0.9 was never checked for WT members. So, the design was always using section H1. Now, the component is checking the relationship and if that...
View ArticleInteraction equation for WT members
A question concerning Ram Elements and the unity check for WT members. I have a truss structure with WT members as the chords. These members are under a combination of axial load and bending. I...
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